Themal desorption device for improving the treatment efficiency and recovery rate of septic soil

摘要

In the present invention, an inlet line into which contaminated soil is introduced at one end and a discharge line for discharging purified soil subjected to thermal desorption at the other end are formed, and a gas discharge line is formed to discharge exhaust gas discharged from the thermal desorption process to the outside. A thermal desorption unit for performing thermal desorption through heat treatment; A cyclone unit configured to allow exhaust gas to be introduced from the gas discharge line to discharge processing gas from an upper portion and to discharge dust from a lower portion; The dust discharged from the lower part of the cyclone is introduced, and the dust is guided in one direction by a screw inside, and the transfer pipe part discharges purified soil to the other side, and the oxidizing agent flows into the transfer pipe part to purify the introduced dust. Purified soil conversion unit including an oxidizing agent supply tank to be made, and a water supply unit for solidifying dust and lowering the reaction temperature by supplying water to the transfer pipe. It relates to a thermal desorption system.